A psychologist told the court that Pistorius now preferred to "isolate himself" rather than go out and see friends.

The athlete's spokeswoman Anneliese Burgess confirmed that there had been an incident after Pistorius attended the club with a cousin.

She said: "They sat in a quiet area of the private VIP section when they were approached by the individual.

"The individual in question, according to our client, started to aggressively engage him on matters relating to the trial.

"An argument ensued during which our client asked to be left alone. Oscar left soon thereafter with his cousin.

"Our client regrets the decision to go into a public place and thereby inviting unwelcome attention."

The news comes after Pistorius broke his Twitter silence to post a series of spiritual and religious messages on Sunday.

The athlete also posted a montage of photos showing him with children.

The photos were accompanied with the words: "You have the ability to make a difference in someones life. Sometimes it's the simple things you say or do that can make someone feel better or inspire them."